/* 欢迎页面样式 */
.welcome-container {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.welcome-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  width: 100%;
  padding: 40px;
  text-align: center;
}

.welcome-header {
  margin-bottom: 60px;
}

.logo-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.logo-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: #87CEEB;
  border: 2px solid rgba(135, 206, 235, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.logo-icon:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  border-color: rgba(135, 206, 235, 0.6);
}

.welcome-title {
  color: rgba(255, 255, 255, 0.95) !important;
  font-size: 48px !important;
  font-weight: 700 !important;
  margin: 0 !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  background: linear-gradient(135deg, #87CEEB 0%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-subtitle {
  color: rgba(255, 255, 255, 0.8) !important;
  font-size: 18px !important;
  margin: 0 !important;
  font-weight: 300;
}

.welcome-features {
  margin-bottom: 60px;
}

.features-container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.feature-card {
  background: rgba(255, 255, 255, 0.08) !important;
  backdrop-filter: blur(20px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 16px !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1) !important;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15) !important;
  border-color: rgba(135, 206, 235, 0.3) !important;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-content {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: rgba(135, 206, 235, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #87CEEB;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  background: rgba(135, 206, 235, 0.3);
  transform: scale(1.1);
}

.feature-text {
  flex: 1;
  text-align: left;
}

.feature-title {
  color: rgba(255, 255, 255, 0.95) !important;
  margin: 0 0 8px 0 !important;
  font-weight: 600 !important;
}

.feature-description {
  color: rgba(255, 255, 255, 0.7) !important;
  margin: 0 !important;
  font-size: 14px !important;
  line-height: 1.5;
}

.welcome-actions {
  display: flex;
  justify-content: center;
}

.start-chat-btn {
  height: 56px !important;
  padding: 0 40px !important;
  font-size: 18px !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, #87CEEB 0%, #4A90E2 100%) !important;
  border: none !important;
  border-radius: 28px !important;
  box-shadow: 0 8px 25px rgba(135, 206, 235, 0.3) !important;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1) !important;
  position: relative;
  overflow: hidden;
}

.start-chat-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.start-chat-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 35px rgba(135, 206, 235, 0.4) !important;
}

.start-chat-btn:hover::before {
  left: 100%;
}

.start-chat-btn:active {
  transform: translateY(-1px) scale(1.02);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .welcome-content {
    padding: 20px;
  }
  
  .welcome-title {
    font-size: 36px !important;
  }
  
  .welcome-subtitle {
    font-size: 16px !important;
  }
  
  .logo-icon {
    width: 60px;
    height: 60px;
    font-size: 28px;
  }
  
  .feature-content {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
  
  .feature-text {
    text-align: center;
  }
  
  .start-chat-btn {
    height: 48px !important;
    padding: 0 30px !important;
    font-size: 16px !important;
  }
}

@media (max-width: 480px) {
  .welcome-title {
    font-size: 28px !important;
  }
  
  .logo-icon {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }
  
  .feature-card {
    margin-bottom: 15px;
  }
}
